#include <libopencm3/cm3/common.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/tools.h>
#include <libopencm3/stm32/st_usbfs.h>
#include <libopencm3/usb/usbd.h>
#include "../../usb/usb_private.h"
#include "st_usbfs_core.h"

Include dependency graph for st_usbfs_core.c:

Functions
void	st_usbfs_set_address (usbd_device *dev, uint8_t addr)

uint16_t	st_usbfs_set_ep_rx_bufsize (usbd_device *dev, uint8_t ep, uint32_t size)
	Set the receive buffer size for a given USB endpoint. More...

void	st_usbfs_ep_setup (usbd_device dev, uint8_t addr, uint8_t type, uint16_t max_size, void(callback)(usbd_device *usbd_dev, uint8_t ep))

void	st_usbfs_endpoints_reset (usbd_device *dev)

void	st_usbfs_ep_stall_set (usbd_device *dev, uint8_t addr, uint8_t stall)

uint8_t	st_usbfs_ep_stall_get (usbd_device *dev, uint8_t addr)

void	st_usbfs_ep_nak_set (usbd_device *dev, uint8_t addr, uint8_t nak)

uint16_t	st_usbfs_ep_write_packet (usbd_device dev, uint8_t addr, const void buf, uint16_t len)

uint16_t	st_usbfs_ep_read_packet (usbd_device dev, uint8_t addr, void buf, uint16_t len)

void	st_usbfs_poll (usbd_device *dev)

Variables
uint8_t	st_usbfs_force_nak [8]

struct _usbd_device	st_usbfs_dev

Function Documentation

◆ st_usbfs_endpoints_reset()

void st_usbfs_endpoints_reset ( usbd_device * dev )

Definition at line 124 of file st_usbfs_core.c.

References USB_EP_RX_STAT_DISABLED, USB_EP_TX_STAT_DISABLED, USB_SET_EP_RX_STAT, and USB_SET_EP_TX_STAT.

◆ st_usbfs_ep_nak_set()

void st_usbfs_ep_nak_set	(	usbd_device *	dev,
		uint8_t	addr,
		uint8_t	nak
	)

Definition at line 183 of file st_usbfs_core.c.

References st_usbfs_force_nak, USB_EP_RX_STAT_NAK, USB_EP_RX_STAT_VALID, and USB_SET_EP_RX_STAT.

◆ st_usbfs_ep_read_packet()

uint16_t st_usbfs_ep_read_packet	(	usbd_device *	dev,
		uint8_t	addr,
		void *	buf,
		uint16_t	len
	)

Definition at line 217 of file st_usbfs_core.c.

References st_usbfs_copy_from_pm(), st_usbfs_force_nak, USB_CLR_EP_RX_CTR, USB_EP_REG, USB_EP_RX_STAT, USB_EP_RX_STAT_VALID, USB_GET_EP_RX_BUFF, USB_GET_EP_RX_COUNT, and USB_SET_EP_RX_STAT.

Referenced by st_usbfs_poll().

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◆ st_usbfs_ep_setup()

void st_usbfs_ep_setup	(	usbd_device *	dev,
		uint8_t	addr,
		uint8_t	type,
		uint16_t	max_size,
		void()(usbd_device usbd_dev, uint8_t ep)	callback
	)

Definition at line 80 of file st_usbfs_core.c.

References st_usbfs_set_ep_rx_bufsize(), USB_CLR_EP_RX_DTOG, USB_CLR_EP_TX_DTOG, USB_ENDPOINT_ATTR_BULK, USB_ENDPOINT_ATTR_CONTROL, USB_ENDPOINT_ATTR_INTERRUPT, USB_ENDPOINT_ATTR_ISOCHRONOUS, USB_EP_RX_STAT_VALID, USB_EP_TX_STAT_NAK, USB_EP_TYPE_BULK, USB_EP_TYPE_CONTROL, USB_EP_TYPE_INTERRUPT, USB_EP_TYPE_ISO, USB_SET_EP_ADDR, USB_SET_EP_RX_ADDR, USB_SET_EP_RX_STAT, USB_SET_EP_TX_ADDR, USB_SET_EP_TX_STAT, and USB_SET_EP_TYPE.

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◆ st_usbfs_ep_stall_get()

uint8_t st_usbfs_ep_stall_get	(	usbd_device *	dev,
		uint8_t	addr
	)

Definition at line 166 of file st_usbfs_core.c.

References USB_EP_REG, USB_EP_RX_STAT, USB_EP_RX_STAT_STALL, USB_EP_TX_STAT, and USB_EP_TX_STAT_STALL.

◆ st_usbfs_ep_stall_set()

void st_usbfs_ep_stall_set	(	usbd_device *	dev,
		uint8_t	addr,
		uint8_t	stall
	)

Definition at line 136 of file st_usbfs_core.c.

References USB_CLR_EP_RX_DTOG, USB_CLR_EP_TX_DTOG, USB_EP_RX_STAT_STALL, USB_EP_RX_STAT_VALID, USB_EP_TX_STAT_NAK, USB_EP_TX_STAT_STALL, USB_SET_EP_RX_STAT, and USB_SET_EP_TX_STAT.

◆ st_usbfs_ep_write_packet()

uint16_t st_usbfs_ep_write_packet	(	usbd_device *	dev,
		uint8_t	addr,
		const void *	buf,
		uint16_t	len
	)

Definition at line 200 of file st_usbfs_core.c.

References st_usbfs_copy_to_pm(), USB_EP_REG, USB_EP_TX_STAT, USB_EP_TX_STAT_VALID, USB_GET_EP_TX_BUFF, USB_SET_EP_TX_COUNT, and USB_SET_EP_TX_STAT.

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◆ st_usbfs_poll()

void st_usbfs_poll ( usbd_device * dev )

Definition at line 236 of file st_usbfs_core.c.

References _usbd_reset(), st_usbfs_ep_read_packet(), USB_CLR_EP_RX_CTR, USB_CLR_EP_TX_CTR, USB_CLR_ISTR_RESET, USB_CLR_ISTR_SOF, USB_CLR_ISTR_SUSP, USB_CLR_ISTR_WKUP, USB_CNTR_REG, USB_CNTR_SOFM, USB_EP_REG, USB_EP_SETUP, USB_ISTR_CTR, USB_ISTR_DIR, USB_ISTR_EP_ID, USB_ISTR_REG, USB_ISTR_RESET, USB_ISTR_SOF, USB_ISTR_SUSP, and USB_ISTR_WKUP.

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◆ st_usbfs_set_address()

void st_usbfs_set_address	(	usbd_device *	dev,
		uint8_t	addr
	)

Definition at line 33 of file st_usbfs_core.c.

References SET_REG, USB_DADDR_ADDR, USB_DADDR_EF, and USB_DADDR_REG.

◆ st_usbfs_set_ep_rx_bufsize()

uint16_t st_usbfs_set_ep_rx_bufsize	(	usbd_device *	dev,
		uint8_t	ep,
		uint32_t	size
	)

Set the receive buffer size for a given USB endpoint.

Parameters

dev	the usb device handle returned from usbd_init
ep	Index of endpoint to configure.
size	Size in bytes of the RX buffer. Legal sizes : {2,4,6...62}; {64,96,128...992}.